1. and , Cinnamic acid. In Thorpe's Dictionary of Applied Chemistry, Vol. 3, 4th edn, p. 180. Longmans, Green, London (1947).
2. and , Essential oil of Cassia. In Thorpe's Dictionary of Applied Chemistry, Vol. 2, 4th edn, p. 418. Longmans, Green, London (1946).
3. and , Balsams. In Thorpe's Dictionary of Applied Chemistry, Vol. 1, 4th edn, pp. 614–618. Longmans, Green, London (1945).
4. Lyases forming double and triple bonds. In Handbook of Intermediary Metabolism of Aromatic Compounds, p. 127. Chapman and Hall, London (1976).
5. The Metabolism of Aromatic Compounds in Higher Plants